Features of Sony NWZ-S639F include up to the pressure from 8 music videos, including tracks from Ting Tings, Sandi Thom and Chris Brown, 4 Clear Audio technologies to work together to create a clear sound true to the original source, dynamic remnants Normaliser volume level between songs to keep the sound even , Ultra bright 2,0 QVGA LCD displays razor sharp video, photos and album art in portrait or widescreen format, SensMe technology organizes your music in different moods at the touch of a button, supports most popular video and audio file formats, including MP3, AAC, WMA (DRM).



AVC, MPEG-4 and JPEG, easily drag and drop content directly from Windows Media ® Player and iTunes ® (except iTunes ®-DRM), listen more to the incredible battery life of up to 40 hours, use Windows Media ® Player 11, Windows explored or iTunes ® for the transfer of content and devices by dragging, 16GB storage capacity up to 3850 tracks (128kbps mp3), or more than 60 hours of video playback (at 384kbps).